Denise2Go, Crochet for a Cure 2-Hook, Interchangeable Crochet kit - "Medallions" 20 hooks (2 each F5-N15/3.75-10mm) 7 cords (2 each 3"/8cm and 5"/13cm, 1 each 9"/23cm, 12"/30cm, 16"/41cm) 4 end buttons and 2 extenders for cord-to-cord connections Cotton case is great for travel or throwing in a project bag! Made in the USA and guaranteed. Supports breast cancer research with a $5 donation per purchase to Cast Off Chemo!